/* ============================================================
   天博体育 · 共享 Site Kit
   设计基因：堆叠面板 / 框景 / 侧边哨声刻度轴 / 夜赛冷光与暖高光
   ============================================================ */

/* ---------- reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background-color: #071A17;
}

body {
  margin: 0;
  min-height: 100%;
  background-color: var(--tb-ink);
  color: var(--tb-bone);
  font-family: var(--tb-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg,
video { max-width: 100%; display: block; }

img { height: auto; }

a { color: var(--tb-cyan); text-decoration-thickness: 1px; text-underline-offset: 3px; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

h1,
h2,
h3,
h4,
h5 { margin: 0 0 .5em; line-height: 1.22; font-weight: 800; }

ul,
ol { margin: 0; padding: 0; }

button { font: inherit; color: inherit; }

table { border-collapse: collapse; }

hr { border: 0; }

::selection {
  background-color: var(--tb-whistle);
  color: #071A17;
}

:focus-visible {
  outline: 2px solid var(--tb-cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- tokens ---------- */
:root {
  --tb-ink: #071A17;
  --tb-ink-2: #0C2233;
  --tb-moss: #3E5C4B;
  --tb-stone: #8A948E;
  --tb-clay: #A56A4E;
  --tb-bone: #F2EBDD;
  --tb-whistle: #FFD23F;
  --tb-signal: #FF7A2F;
  --tb-cyan: #4CF2D4;
  --tb-stone-light: #D8D5C8;

  --tb-display: 'Barlow Condensed', 'Archivo Black', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --tb-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', Georgia, serif;
  --tb-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  --tb-mono: 'JetBrains Mono', 'Roboto Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --tb-hh: 76px;
  --tb-max: 1280px;
  --tb-gutter: clamp(16px, 4vw, 40px);
  --tb-ease: cubic-bezier(.2, .7, .3, 1);
  --tb-line: rgba(242, 235, 221, .14);
  --tb-line-soft: rgba(242, 235, 221, .09);
}

/* ---------- 共享排版件 ---------- */
.tb-shell {
  width: 100%;
  max-width: var(--tb-max);
  margin-inline: auto;
  padding-inline: var(--tb-gutter);
}

.tb-shell--narrow { max-width: 860px; }

.tb-section { padding-block: clamp(48px, 7vw, 96px); }

.tb-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--tb-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--tb-cyan);
}

.tb-eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background-color: currentColor;
  opacity: .75;
}

.tb-title {
  margin: 0 0 .4em;
  font-family: var(--tb-display);
  font-weight: 900;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.02;
  letter-spacing: .01em;
  color: var(--tb-bone);
}

.tb-title--sm { font-size: clamp(24px, 3.2vw, 34px); }

.tb-lede {
  max-width: 60ch;
  font-family: var(--tb-serif);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.9;
  color: rgba(242, 235, 221, .84);
}

/* ---------- 装饰件 ---------- */
.tb-rule {
  height: 1px;
  margin: 0;
  background: linear-gradient(90deg, rgba(242, 235, 221, .3), rgba(242, 235, 221, 0));
}

.tb-ticks {
  height: 10px;
  background-image: repeating-linear-gradient(90deg, rgba(242, 235, 221, .3) 0 1px, transparent 1px 28px);
  background-repeat: repeat-x;
}

/* ---------- 按钮 / 标签 / 筛选 ---------- */
.tb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border: 1px solid transparent;
  border-radius: 2px;
  background: transparent;
  font-family: var(--tb-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s var(--tb-ease), color .2s var(--tb-ease),
              border-color .2s var(--tb-ease), transform .2s var(--tb-ease);
}

.tb-btn--whistle {
  background-color: var(--tb-whistle);
  color: #071A17;
}
.tb-btn--whistle:hover { background-color: #FFE27A; transform: translateY(-2px); }

.tb-btn--signal {
  background-color: var(--tb-signal);
  color: #1A0F08;
}
.tb-btn--signal:hover { background-color: #FF9659; transform: translateY(-2px); }

.tb-btn--ghost {
  border-color: rgba(242, 235, 221, .3);
  color: var(--tb-bone);
}
.tb-btn--ghost:hover { border-color: var(--tb-cyan); color: var(--tb-cyan); }

.tb-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid rgba(138, 148, 142, .55);
  border-radius: 2px;
  font-family: var(--tb-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .12em;
  line-height: 1.6;
  color: var(--tb-stone-light);
}

.tb-tag--whistle { border-color: rgba(255, 210, 63, .6); color: var(--tb-whistle); }
.tb-tag--signal { border-color: rgba(255, 122, 47, .6); color: var(--tb-signal); }
.tb-tag--cyan { border-color: rgba(76, 242, 212, .6); color: var(--tb-cyan); }
.tb-tag--clay { border-color: rgba(165, 106, 78, .85); color: #D3A58C; }

.tb-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid rgba(242, 235, 221, .24);
  border-radius: 2px;
  background-color: transparent;
  color: rgba(242, 235, 221, .8);
  font-family: var(--tb-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  cursor: pointer;
  transition: background-color .18s var(--tb-ease), color .18s var(--tb-ease),
              border-color .18s var(--tb-ease), opacity .18s var(--tb-ease);
}

.tb-chip:hover { border-color: var(--tb-whistle); color: var(--tb-whistle); }

.tb-chip[aria-pressed="true"],
.tb-chip.is-active {
  background-color: var(--tb-whistle);
  border-color: var(--tb-whistle);
  color: #071A17;
}

/* ---------- 面包屑 ---------- */
.tb-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--tb-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: rgba(242, 235, 221, .5);
}

.tb-crumbs a {
  color: rgba(242, 235, 221, .72);
  text-decoration: none;
  transition: color .18s var(--tb-ease);
}
.tb-crumbs a:hover { color: var(--tb-whistle); }

.tb-crumbs__sep { color: rgba(138, 148, 142, .85); }

.tb-crumbs [aria-current="page"] { color: var(--tb-bone); }

/* ---------- 面板 / 卡片 / 栅格 ---------- */
.tb-panel {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  background-color: var(--tb-ink-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.tb-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 38px;
  height: 3px;
  background-color: var(--tb-whistle);
}

.tb-card {
  position: relative;
  display: block;
  padding: 20px;
  border: 1px solid var(--tb-line);
  border-radius: 2px;
  background-color: rgba(12, 34, 51, .86);
  color: inherit;
  text-decoration: none;
  transition: border-color .22s var(--tb-ease), transform .22s var(--tb-ease),
              background-color .22s var(--tb-ease);
}

.tb-card:hover {
  border-color: rgba(255, 210, 63, .5);
  background-color: rgba(16, 42, 62, .95);
  transform: translateY(-3px);
}

.tb-grid {
  display: grid;
  gap: clamp(14px, 2vw, 24px);
}

.tb-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tb-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

@media (max-width: 900px) {
  .tb-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .tb-grid--2,
  .tb-grid--3 { grid-template-columns: 1fr; }
}

/* ---------- 图片容器基础（页面阶段填占位） ---------- */
.tb-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--tb-line);
  background-color: var(--tb-ink-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.tb-figure__media {
  display: block;
  width: 100%;
  height: 100%;
}

.tb-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.92) contrast(1.05);
}

.tb-figure__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: 100%;
  padding: 8px 12px;
  background-color: rgba(7, 26, 23, .84);
  font-family: var(--tb-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--tb-stone-light);
}

.tb-figure--wide { aspect-ratio: 16 / 9; }
.tb-figure--square { aspect-ratio: 1 / 1; }
.tb-figure--portrait { aspect-ratio: 3 / 4; }
.tb-figure--tall { aspect-ratio: 4 / 5; }

/* ============================================================
   HEADER · 哨声横尺
   ============================================================ */
.tb-skip {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 999;
  padding: 10px 16px;
  border-radius: 2px;
  background-color: var(--tb-whistle);
  color: #071A17;
  font-family: var(--tb-mono);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-240%);
  transition: transform .2s var(--tb-ease);
}

.tb-skip:focus,
.tb-skip:focus-visible { transform: translateY(0); }

.tb-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 140;
  pointer-events: none;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--tb-cyan), var(--tb-whistle));
}

.tb-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 120;
  color: var(--tb-bone);
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color .32s var(--tb-ease), border-color .32s var(--tb-ease),
              box-shadow .32s var(--tb-ease);
}

.tb-header[data-scrolled="true"] {
  background-color: rgba(7, 26, 23, .97);
  border-bottom-color: var(--tb-line);
  box-shadow: 0 18px 44px -30px #000;
}

.tb-header__inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 36px);
  max-width: var(--tb-max);
  min-height: var(--tb-hh);
  margin-inline: auto;
  padding-inline: var(--tb-gutter);
}

.tb-header__ticks {
  height: 10px;
  opacity: 0;
  background-image: repeating-linear-gradient(90deg, rgba(242, 235, 221, .26) 0 1px, transparent 1px 28px);
  background-repeat: repeat-x;
  transition: opacity .32s var(--tb-ease);
}

.tb-header[data-scrolled="true"] .tb-header__ticks { opacity: 1; }

/* 品牌 */
.tb-brand {
  display: inline-flex;
  flex: 0 0 auto;
  flex-direction: column;
  gap: 2px;
  color: var(--tb-bone);
  text-decoration: none;
}

.tb-brand__mark {
  font-family: var(--tb-display);
  font-size: clamp(20px, 2.3vw, 26px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: .06em;
}

.tb-brand__tagline {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--tb-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .34em;
  color: var(--tb-whistle);
}

.tb-brand__tagline::after {
  content: "";
  width: 20px;
  height: 1px;
  background-color: var(--tb-whistle);
  opacity: .6;
}

/* 导航（桌面） */
.tb-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.8vw, 26px);
  margin-left: auto;
}

.tb-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 24px);
  list-style: none;
}

.tb-nav__item { flex: 0 0 auto; }

.tb-nav__link {
  position: relative;
  display: inline-block;
  padding: 6px 2px;
  color: rgba(242, 235, 221, .72);
  font-size: 14.5px;
  letter-spacing: .04em;
  white-space: nowrap;
  text-decoration: none;
  transition: color .2s var(--tb-ease);
}

.tb-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background-color: var(--tb-whistle);
  transition: right .28s var(--tb-ease);
}

.tb-nav__link:hover,
.tb-nav__link:focus-visible { color: var(--tb-bone); }

.tb-nav__link:hover::after,
.tb-nav__link:focus-visible::after { right: 0; }

.tb-nav__link[aria-current="page"] { color: var(--tb-whistle); }

.tb-nav__link[aria-current="page"]::after {
  right: 0;
  background-color: var(--tb-whistle);
}

.tb-nav__cta {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border: 1px solid rgba(255, 210, 63, .55);
  border-radius: 2px;
  background-color: rgba(255, 210, 63, .07);
  color: var(--tb-whistle);
  font-family: var(--tb-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .2s var(--tb-ease), color .2s var(--tb-ease),
              border-color .2s var(--tb-ease);
}

.tb-nav__cta:hover,
.tb-nav__cta:focus-visible {
  background-color: var(--tb-whistle);
  border-color: var(--tb-whistle);
  color: #071A17;
}

/* 移动开关 */
.tb-navtoggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding: 10px 14px;
  border: 1px solid rgba(242, 235, 221, .22);
  border-radius: 2px;
  background-color: rgba(12, 34, 51, .65);
  color: var(--tb-bone);
  font-family: var(--tb-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  cursor: pointer;
  transition: border-color .2s var(--tb-ease), background-color .2s var(--tb-ease);
}

.tb-navtoggle:hover { border-color: var(--tb-whistle); }

.tb-navtoggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  width: 16px;
}

.tb-navtoggle__bars i {
  display: block;
  height: 2px;
  background-color: var(--tb-whistle);
  transition: transform .24s var(--tb-ease), opacity .24s var(--tb-ease);
}

.tb-navtoggle[aria-expanded="true"] .tb-navtoggle__bars i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.tb-navtoggle[aria-expanded="true"] .tb-navtoggle__bars i:nth-child(2) { opacity: 0; }
.tb-navtoggle[aria-expanded="true"] .tb-navtoggle__bars i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* 移动导航：纵向哨声刻度轴 */
@media (max-width: 1080px) {
  :root { --tb-hh: 64px; }

  .tb-header__ticks { display: none; }

  .tb-navtoggle { display: inline-flex; }

  .tb-nav {
    position: fixed;
    top: var(--tb-hh);
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 110;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    margin: 0;
    padding: 28px var(--tb-gutter) 48px;
    overflow-y: auto;
    background: linear-gradient(180deg, #071A17 0%, #0C2233 100%);
    border-top: 1px solid var(--tb-line);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity .24s var(--tb-ease), transform .24s var(--tb-ease), visibility .24s var(--tb-ease);
  }

  .tb-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }

  .tb-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-left: 0;
    border-left: 1px solid rgba(76, 242, 212, .3);
  }

  .tb-nav__item {
    position: relative;
    flex: 0 0 auto;
  }

  .tb-nav__item::before {
    content: "";
    position: absolute;
    top: 50%;
    left: -1px;
    width: 10px;
    height: 1px;
    background-color: rgba(76, 242, 212, .55);
  }

  .tb-nav__link {
    display: block;
    padding: 15px 0 15px 24px;
    border-bottom: 1px solid var(--tb-line-soft);
    font-family: var(--tb-display);
    font-size: clamp(22px, 5.6vw, 28px);
    font-weight: 800;
    letter-spacing: .02em;
    white-space: normal;
  }

  .tb-nav__link::after { display: none; }

  .tb-nav__link[aria-current="page"] { color: var(--tb-whistle); }

  .tb-nav__cta {
    justify-content: center;
    margin-top: 24px;
    padding: 16px;
    font-size: 13px;
  }
}

html.tb-nav-open,
html.tb-nav-open body { overflow: hidden; }

/* ============================================================
   FOOTER · 三段看台
   ============================================================ */
.tb-footer {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--tb-line);
  background: linear-gradient(180deg, #0C2233 0%, #08171F 100%);
  color: var(--tb-bone);
}

.tb-footer::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 6px;
  opacity: .55;
  background-image: repeating-linear-gradient(90deg, rgba(76, 242, 212, .55) 0 2px, transparent 2px 40px);
  background-repeat: repeat-x;
}

.tb-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.7fr);
  gap: clamp(28px, 5vw, 56px);
  max-width: var(--tb-max);
  margin-inline: auto;
  padding: clamp(40px, 6vw, 72px) var(--tb-gutter) clamp(28px, 4vw, 40px);
}

.tb-footer__brand { display: flex; flex-direction: column; gap: 6px; }

.tb-footer__mark {
  margin: 0;
  font-family: var(--tb-display);
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 900;
  letter-spacing: .07em;
  line-height: 1.1;
}

.tb-footer__tagline {
  margin: 0;
  font-family: var(--tb-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .32em;
  color: var(--tb-whistle);
}

.tb-footer__note {
  max-width: 34ch;
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(242, 235, 221, .62);
}

.tb-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 32px);
}

.tb-footer__col { min-width: 0; }

.tb-footer__coltitle {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--tb-line);
  font-family: var(--tb-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .22em;
  color: rgba(242, 235, 221, .52);
}

.tb-footer__list {
  display: grid;
  gap: 9px;
  margin-top: 14px;
  list-style: none;
}

.tb-footer__link {
  display: inline-block;
  color: rgba(242, 235, 221, .78);
  font-size: 14.5px;
  text-decoration: none;
  transition: color .2s var(--tb-ease), padding-left .2s var(--tb-ease);
}

.tb-footer__link:hover,
.tb-footer__link:focus-visible {
  padding-left: 10px;
  color: var(--tb-whistle);
}

.tb-footer__contact {
  display: flex;
  flex-wrap: wrap;
  grid-column: 1 / -1;
  gap: 16px clamp(24px, 4vw, 44px);
  padding-top: clamp(22px, 3vw, 30px);
  border-top: 1px dashed rgba(138, 148, 142, .45);
}

.tb-footer__contact-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.tb-footer__contact-label {
  font-family: var(--tb-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .22em;
  color: rgba(242, 235, 221, .45);
}

.tb-footer__contact-value {
  font-size: 14.5px;
  color: var(--tb-bone);
  overflow-wrap: anywhere;
}

.tb-footer__contact-note {
  flex: 1 1 280px;
  min-width: 0;
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(242, 235, 221, .58);
}

.tb-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  max-width: var(--tb-max);
  margin-inline: auto;
  padding: 18px var(--tb-gutter) 30px;
  border-top: 1px solid var(--tb-line-soft);
  font-family: var(--tb-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: rgba(242, 235, 221, .55);
}

.tb-footer__legal p { margin: 0; }

@media (max-width: 900px) {
  .tb-footer__inner { grid-template-columns: 1fr; }
  .tb-footer__note { max-width: 46ch; }
}

@media (max-width: 640px) {
  .tb-footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 460px) {
  .tb-footer__cols { grid-template-columns: 1fr; }
  .tb-footer__legal { justify-content: flex-start; }
}

/* ---------- 显现动效 ---------- */
.tb-js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s var(--tb-ease), transform .6s var(--tb-ease);
  transition-delay: calc(var(--i, 0) * 60ms);
}

.tb-js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 平板微调 ---------- */
@media (max-width: 1080px) {
  .tb-brand__tagline { letter-spacing: .28em; }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

  .tb-js [data-reveal] {
    opacity: 1;
    transform: none;
    transition-delay: 0ms;
  }

  .tb-card:hover,
  .tb-btn--whistle:hover,
  .tb-btn--signal:hover { transform: none; }
}

/* ---------- 打印基础 ---------- */
@media print {
  .tb-header,
  .tb-progress,
  .tb-footer::before { display: none; }
  body { background: #fff; color: #111; }
}